diff --git a/lib/libc/string/strlcat.c b/lib/libc/string/strlcat.c
index 5e3488d..a505c59 100644
--- a/lib/libc/string/strlcat.c
+++ b/lib/libc/string/strlcat.c
@@ -40,7 +40,7 @@
 
 	dst+= j;
 
-	for(i= 0; ((i< s-1) && src[i]); i++) {
+	for(i= 0; ((i< s-j) && src[i]); i++) {
 		dst[i]= src[i];
 	}